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@MISC{2013_patent,
        author = {Esteban, Antonio and Gonzalez-Jimenez, Javier and Ramírez-Rodríguez, Antonio and Mateos Armesto, Francisco Javier and Galindo, Cipriano and Arevalo-Espejo, Vicente and Blanco, José-Luis and Moreno, Francisco-Angel},
         month = {sep},
         title = {Método y sistema para replanteo automático y continuo en obras de excavación/perforación de un túnel y programa de ordenador para ejecutar dicho método (in Spanish)},
          year = {2013},
  howpublished = {ES2389802 B1},
           url = {invenes.oepm.es/InvenesWeb/detalle?referencia=P201030861}
}